This document provides an overview of BCBS 239 principles for effective risk data aggregation and risk reporting. It discusses how most large banks historically managed risks through Excel and Access databases, which were inadequate. BCBS 239 principles address issues with risk management processes, including risk IT infrastructure, data quality, strategy, governance, and reporting. All in-scope banks must implement BCBS 239 guiding principles by 2016. Key impacted areas include market, credit, liquidity, and operational risk management. The approach involves understanding BCBS 239 requirements, gap analysis, a program implementation plan, detailed divisional analysis and projects, an IT solution, data governance, and regulator agreement.